When delegating navigations to the operating system, Firefox would accept the `mk` scheme which might allow attackers to launch pages and execute scripts in Internet Explorer in unprivileged mode. *This bug only affects Firefox for Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 92, Thunderbird < 91.1, Thunderbird < 78.14, Firefox ESR < 78.14, and Firefox ESR < 91.1.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2021-24944 When delegating navigations to the operating system, Firefox would accept the `mk` scheme which might allow attackers to launch pages and execute scripts in Internet Explorer in unprivileged mode. *This bug only affects Firefox for Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 92, Thunderbird < 91.1, Thunderbird < 78.14, Firefox ESR < 78.14, and Firefox ESR < 91.1.
Fixes

Solution

No solution given by the vendor.


Workaround

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History

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2024-08-04T01:44:22.943Z

Reserved: 2021-08-10T00:00:00.000Z

Link: CVE-2021-38492

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-11-03T01:15:07.200

Modified: 2024-11-21T06:17:14.130

Link: CVE-2021-38492

cve-icon Redhat

Severity : Moderate

Publid Date: 2021-09-07T00:00:00Z

Links: CVE-2021-38492 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses